%0 Journal Article
%T 基于遗传算法的飞机复合材料结构装配压紧力大小与布局的优化基于遗传算法的飞机复合材料结构装配压紧力大小与布局的优化<br>Optimization of size and layout of pressing force for composite airframe structure assembly based on genetic algorithm
%A 张秋月
%A 安鲁陵
%A 岳德
%A 李志辉
%A 国佳
%J 复合材料学报
%D 2019
%R 10.13801/j.cnki.fhclxb.20180816.001
%X For the assembly gap in composite airframe structure, an optimization method based on genetic algorithm was proposed to optimize the size and layout of pressing force, in which damage caused by pressing force was considered. Combining with finite element analysis, considering the interference between pressing points, with laminates delamination as the constraint condition and elimination rate of gap as the objective function, the optimization model with size and layout of pressing force was established. Taking composite win box as an example, establishing finite element model based on cohesive element, the optimization method was applied to optimize pressing force on composite panel. Then, with the optimum size and layout of pressing force, the elimination rate of gap, delamination damage, stress and strain were calculated and analyzed. The results demonstrate that:the optimum pressing force makes stress and strain distribution more uniform; elimination rate of gap is improved dramatically compared with the traditional one without laminates delamination. When the initial assembly gap is 0.2-0.8 mm, the elimination rate of gap is increased to 77.4%-100%, which is 19.2%-177.8% higher than that before the optimization. 江苏省精密与微细制造技术重点实验室基本科研业务重点项目（ZAA1400105
%K 飞机装配
%K 复合材料结构
%K 装配压紧力
%K 力控制技术
%K 遗传算法<br>aircraft assembly
%K composites structure
%K assembly pressing force
%K force control
%K genetic algorithms
%U http://fhclxb.buaa.edu.cn/CN/abstract/abstract14498.shtml